CAR NAVIGATION SYSTEM WITH VOICE GUIDE

摘要

PROBLEM TO BE SOLVED: To provide a car navigation system with voice guide in which only a driver hears only voice guide even while listening to audio.

SOLUTION: The car navigation system 50 with voice guide is provided with a personal speech guide means K2 comprising directive speakers 21a and 21b arranged in the vicinity of a driver PS seated in a driver's seat for outputting speech guide G; speakers 22a and 22b dedicated for drivers arranged at locations in the vicinity of both ears of the driver PS; sound pickup microphones 23a and 23b arranged in the vicinity of both ears of the driver PS for picking up audio signals F; and a sound field negative phase component generating and outputting means K1 for generating and amplifying a negative phase component -F' of signals F' of bands except a prescribed band including speech signals of the speech guide G in the picked-up audio signals F and outputting it from the speakers 22a and 22b dedicated for drivers when the speech guide G is being outputted. Only the driver PS hears only the speech guide G.

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